package cn.edu.ecnu.gis.client.alert;

import cn.edu.ecnu.gis.client.alert.model.Contact;
import cn.edu.ecnu.gis.client.alert.model.Message;
import com.google.gwt.user.client.rpc.AsyncCallback;

public interface MessengerServiceAsync 
{
	void signIn( String name, AsyncCallback callback );
	void signOut( AsyncCallback callback );
	void getEvents( AsyncCallback callback );
	void sendMessage( Contact to, Message message, AsyncCallback callback );

}
